*{
  margin: 0;
  padding: 0;
}
img{
  display: block;
}
body
{
  font-size: 12px;
}
.header{
  width: 100%;
  height: 100px;
}
.header>.one{
  width: 982px;
  height: 32px;
  margin: 35px auto 33px;
}
.header>.one>img{
width: 282px;
height: 32px;
float: left;
}
.header>.one form{
  width: 255px;
  height: 32px;
  border: 1px solid #e5e5e5 ;
  float: right;
  background-color: #f5f5f5;

}
.header>.one form input{
  height: 31px;
  width: 203px;
  background-color: #f5f5f5;
   outline: none;
   border: 0;
   float: left;
   padding: 0 10px 0 10px;
}
.header>.one form button{
  height: 32px;
width: 32px;
  outline: none;
  border: 0;
  background-color: #f5f5f5;
  float: right;
  
}


/* 第二部分 */
.second{
  width: 100%;
  height: 58px;
  background-color: #303030;
  margin: 0 auto;
}
.second ul{
  width: 982px;
  height: 58ox;
  margin: 0 auto;
}
.second li{
  width: 114px;
  height: 58px;
  float: left;
  text-align: center;
  line-height: 58px;
  border-left:1px solid #494949;
  background-color: #303030;

}
.second .li1{
  border-left: 1px solid rgba(1, 1, 1, 0);
}
a{
  text-decoration: none;
  color: #f7f7f7;
}

.banner img{
  width: 100%;
}
/* 第四部分 */
.four{
  width: 982px;
  height: 240px;
  margin: 0 auto;
}
.four .one{
  float: left;
  padding-right: 30px;
}
.four .one ul{
  height: 240px;
  width: 451px;
  float: left;
overflow: hidden;
}
.four .one h3{
  margin-top: 36px;
  margin-left: 2px;
  font-size: 18px;
  line-height: 1;
  margin-bottom: 23px;
}
.four .one li{
  color: #767676;
  font-size: 12px;
  margin-left: 14px;
  line-height: 23px;
}
.four .one a{
color: #767676;
font-size: 12px;}
.four .one li span{
  color: #b5b5b5;
  font-size: 12px;
  float:right;
}
.four .two{
  width: 240px;
  height: 240px;
  background-color: #f1f1f1;
  float: left;
}
.four .two h3{
  margin-top: 36px;
  margin-left: 20px;
  color: #4d5059;
  font-size: 18px;
margin-bottom: 32px;

}
.four .two .p1{
height: 36px;
width: 124px;
font-size: 12px;
line-height: 26px;
margin-left: 26px;
color: #545454;
margin-bottom: 29px;

}.four .two .p2{
  height: 36px;
  width: 192px;
  font-size: 12px;
  line-height: 24px;
  margin-left: 26px;
  color: #949494;
  }
  .four .three{
    height: 240px;
    width: 217px;
    float: left;
  }
  .four .three h3{
 margin-left: 24px;
 margin-top: 36px;
 font-size: 18px;
 line-height: 1;
 color: #242424;
 margin-bottom: 21px;

  } 
  .four .three p{
    font-size: 12px;
    margin-left: 24px;
    color: #575757;
    line-height: 24px;
 margin-bottom: 4px;

  }
  .four .three img{
  margin-left: 27px;
  }
  .deom{
    width: 981px;
    height: 18px;
    margin: 0 auto;
    line-height: 1;
    font-size: 18px;
padding: 30px 0 18px 2px;
  }
  .pic{
width: 982px;
height: 240px;
margin: 0 auto;
  }
.pic>div{
  width: 210px;
  height: 240px;
  float: left;
  margin-right: 40px;}
.pic> .div4{
  margin-right: 20px;
}
.pic>div p{
font-size: 12px;
line-height: 24px;
color: #5c5c5c;
margin-top: 19px;
}
/* 产品中心、技术研发营销网络 */

.chanp{
  height: 250px;
  width: 100%;
  background-color: #e5e5e5;
}
.chanp .big{
  width: 982px;
  height: 250px;
  margin: 0 auto;
}
.chanp .big .left{
  height: 250px;
  width: 452px;
float: left;
}
.chanp .big h3{
font-size: 16px;
margin: 32px 0 11px 12px;
color: #626262;
line-height: 1;
}
.chanp .big ul{
  border-top: 1px #c1c1c1 solid;
  float: left;
  /* width: 150px; */
}
.chanp .big .ul1{
  width: 150px;
}
.chanp .big ul img{
  float: left;
  margin-top: 8px;
  margin-left: 5px;
  margin-right: 8px;
}.chanp .big ul li{
line-height: 24px;
font-size: 12px;
color: #a0a0a0;
}
.chanp .middle {
  width: 153px;
  height: 250px;
  float: left;
  margin-left: 50px;

}
.chanp .middle h3{
  margin-top: 32px;
width: 153px;
}
.chanp .middle{
  overflow: hidden;}
.chanp .middle ul{
width: 153px;

}
.right{
  width: 251px;
  height: 250px;
  float: left;
  margin-left: 50px;
}
.right h3{
  padding-bottom: 12px;
border-bottom: 1px solid #c1c1c1;
}
.right img{
  margin-left: 33px;
}
.chanp .big ul{
  padding-top: 16px;
}
/* 尾部 */
.button{
  height: 82px;
  width: 100%;
  background-color: #f1f1f1;
}
.button>div{
  width: 982px;
  height: 82px;
  margin: 0 auto;
  overflow: hidden;
}
.button p{
  font-size: 12px;
  width: 793px;
  height: 12px;
  line-height: 1;
  float: left;
  margin-top: 24px;
  color: #b7b7b7;
}
.button p a{
  color: #b7b7b7;
border-right: solid 1px #929292;
padding-left: 2px;
padding-right: 8px;
}
.button p .four{
  margin-right: 91px;
}
.button .lianjie{
  height: 15px;
  width: 153px;
  margin-top: 23px;
  float: left;
  margin-left: 8px;
  color: #b7b7b7;

}
.button .box img{
  float: right;
  margin-right: 2px;
}